Type USE CAMERA AT <target>. If you want to take a picture of the whole room, use HERE as the target.
Type LOAD FILM.
Video Camera Usage:
USE CAMERA - Activates or deactivates the camera.
PLAY CAMERA - Plays the camera recording back for all to see.
UNLOAD CAMERA - Removes the film disc from the camera.
PUT PICTURE IN ALBUM. It'll ask you if you want to enter a prompt under the photo.
LOOK ALBUM - Look at the current page.
TURN ALBUM TO <page> to turn to a specific page.
If you want to give the album a special title, you can ENTITLE ALBUM.
There is an NPC in the camera store that you can TALK TO if you prefer.